Hammer



FIG. 1 is a perspective view of a hammer, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is rear front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The handle of the hammer is depicted in broken line form as it is notpart of the claimed design.

CLAIM The ornamental design for a hammer, as shown and described.